Home / 904,990,400.20-1,357,485,600.30-359,731,934.20

Finding the Fourth Proportional to 904,990,400.20, 1,357,485,600.30 and 359,731,934.20

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Solution

The fourth proportional to 904,990,400.20, 1,357,485,600.30 and 359,731,934.20 is: 539,597,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,990,400.20 : 1,357,485,600.30 = 359,731,934.20 : x
  2. Step 2: Convert to fraction form
    904,990,400.20/1,357,485,600.30 = 359,731,934.20/x
  3. Step 3: Cross multiply
    904,990,400.20x = 1,357,485,600.30 × 359,731,934.20
  4. Step 4: Simplify right side
    904,990,400.20x = 488,330,920,644,567,040
  5. Step 5: Solve for x
    x = 488,330,920,644,567,040/904,990,400.20
  6. Step 6: Final answer
    x = 539,597,901.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.